CN1995245B - Method for preparing thermosetting acrylic ester emulsion coating under room temperature - Google Patents
Method for preparing thermosetting acrylic ester emulsion coating under room temperature Download PDFInfo
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- CN1995245B CN1995245B CN200610136868XA CN200610136868A CN1995245B CN 1995245 B CN1995245 B CN 1995245B CN 200610136868X A CN200610136868X A CN 200610136868XA CN 200610136868 A CN200610136868 A CN 200610136868A CN 1995245 B CN1995245 B CN 1995245B
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Abstract
The invention discloses a new making method of thermosetting acrylate emulsion paint under indoor temperature in the macromolecular synthesizing making industry, which comprises the following steps: (1). copolymerizing compound with at least two insaturated groups and olefinic monomer to form seed emulsion with crosslinking structure; (2) polymerizing emulsion to obtain core-case structural emulsion; (3) adding crosslinking agent in the emulsion to obtain the product under indoor temperature.
Description
[technical field]:
The present invention relates to prepare under a kind of room temperature the method for thermosetting acrylate emulsion coating; more specifically; relate to a kind of novel latex interpenetrating(polymer)networks resin combination; said composition can be used for the decoration of woodenware, metal, stone implement, plastics, glass, leather surface and anticorrosion; building inside and outside wall coating; fabric treating, the protection of cultural artifact surface etc. especially can be as the matrix resin of making water-borne wood coating.
Traditional woodwork coating is generally solvent-borne type, from early stage phenolic paint, alkyd paint, the pyroxylin(e)finish polyurethane paint of consumption maximum up till now, all contain a large amount of volatile organic matters, in the production of coating and use, discharge a large amount of deleterious organic compound (VOC), not only poison operator, atmosphere pollution, slowly discharge but also can be penetrated in the porous timber, threaten human beings'health.As the improvement of solvent-borne type wood lacquer, aqueous woodware paint is a thinner with water, has significantly reduced the pollution of solvent based coating.Aqueous woodware paint can be divided into aqueous alkide resin, water-based Nitrocellulose, water-borne acrylic resin and waterborne polyurethane resin several types according to the resin composition.The exploitation of aqueous alkide resin type wood lacquer early, main application fields is to decorate, be to piece together with other base-material (as ACRYLIC EMULSION) to use as a rule, perviousness is strong, does not need to use film coalescence aid, but its polymer chain is than facile hydrolysis, the weathering resistance of filming is relatively poor, have reaction between siccative and the auxiliary agent, siccative is easily adsorbed by color stuffing, has reduced the rate of drying of filming.Water-based Nitrocellulose type has advantages such as dried soon, that the transparency is good, but its tack of filming is relatively poor, and decorative effect is bad, and weathering resistance is relatively poor, can not be used for the application of industrial woodenware.And water-and acrylate resin and waterborne polyurethane resin are two the most promising class water-base resins.Aqueous polyurethane lacquer film formation at low temp is good, good leveling property, fullness ratio height, anti-wear-resisting, good hand touch, chemical resistance and anti-after tackiness are excellent, but price is higher, has limited its application.And acrylate resin have fast dried, fast light, have excellent weather resistance and characteristics such as price is lower, and have respiratory, especially be fit to woodwork coating, so be widely used in the decoration priming paint and the finish paint of woodenware.But after traditional ACRYLIC EMULSION film forming, it is filmed is thermoplastic, has water tolerance, anti-after tackiness and shortcoming such as snappiness is relatively poor and hardness is lower.
Acid is the shortcoming of emulsion at aforesaid propylene, and people have developed latex interpenetrating net polymer resin.Patent CA1252241 has described a kind of method of the thermoplastic latex's of preparation interpenetrating net polymer.At first be on the basis of seed emulsion, by semi-continuous emulsion polymerizing, obtain hydrophilic and have cancellated nuclear polymer with monomers such as vinylbenzene, butyl acrylate, vinylformic acid, allyl methyl acrylate; Be that polymerization single polymerization monomer carries out semi-continuous emulsion polymerizing and obtains hydrophobic and have cancellated shell polymeric with vinylbenzene, divinyl then, thereby obtain thermoplastic latex's interpenetrating(polymer)networks, have good light and heat stability and mechanical property.Patent U.S.P.5183859 has described a kind of preparation method of thermoplastic latex's interpenetrating net polymer, utilize the nuclear of the polymkeric substance of rubbery state as the latex interpenetrating(polymer)networks, polymkeric substance by the swelling rubbery state, carry out the shell of emulsion polymerization prepared vitreous state then, obtain the latex interpenetrating(polymer)networks, this latex interpenetrating net polymer has good processing flowability, can improve the erosion-resisting characteristics of resin with the resin melt blending.Patent U.S.P.6031045, CN1597739 are respectively seed with the polyether polyols with reduced unsaturation, unsaturated monomers such as vinyl, acrylate are obtained the latex interpenetrating(polymer)networks of polyurethane/acrylate hydridization by letex polymerization, have favorable mechanical performance and adhesive property.Patent CN1453304, CN1083504, CN1355267, CN1548462 etc. obtain the latex interpenetrating net polymer by preparing crosslinked nuclear polymer and crosslinked shell polymeric respectively, are used for fields such as coating and binding agent.Yet, above-mentioned latex interpenetrating net polymer resin, its cross-linked network only is confined in each latex particle scope, promptly tens in the hundreds of nanometer range, behind the emulsion film forming, it is filmed and is still thermoplasticly, and limited to the raising of interpenetrating(polymer)networks film performance, the hardness of coating, water tolerance, anti-after tackiness, chemical proof etc. are not ideal.In order to overcome the deficiency of prior art, the present invention has carried out a large amount of tests to acrylic ester emulsion, study in each side such as coating pencil hardness, water tolerance, print resistance, chemical resistance, resistance to deterioration, stability in storage and mechanical propertys, the present invention arises at the historic moment in this case.
The purpose of this invention is to provide a kind of latex interpenetrating net polymer resin, can form heat cured interpenetrating net polymer behind its dried coating film.Described coating also has good anti-scratch performance, chemical-resistant, contamination resistance, ageing resistance and stability in storage etc. except possessing in demand performances such as high pencil hardness, excellent in water resistance and sticking power.
[summary of the invention]:
To achieve these goals, the invention provides a kind of acrylic acid series aqueous emulsion polymkeric substance, wherein contain: can form the emulsion polymer that the thermoset interpenetrating(polymer)networks are filmed under (one) a kind of room temperature that obtains by following steps: will comprise under the effect of olefinic compounds that has the olefinic compounds of two unsaturated groups in (a) molecule at least and (b) in a molecule, have a unsaturated group and obtain emulsion polymer I by letex polymerization at emulsifying agent; With emulsion polymer I as seed, on the basis of this emulsion with (c) have unsaturated compound, (d) that the crosslinking reaction group at room temperature can take place at least a have the unsaturated compound of carboxyl or anhydride group and (b) in a molecule, have under the effect of olefinic compounds at emulsifying agent of a unsaturated group obtain crosslinkable core/shell structure emulsion polymer II under the room temperature by letex polymerization; (2) a kind of water-soluble and the compound (e) of chemically crosslinked can at room temperature can take place with (c); (3) contain the mixture of a kind of additive or additive at least.
When preparation latex interpenetrating network polymer emulsion, normally adopt the multi-step emulsion polymerization method.At first add multi-functional compound and acrylate monomer by the crosslinked seed emulsion of emulsion polymerization prepared, promptly crosslinked nuclear polymer I; On the basis of this seed emulsion, add multi-functional compound and acrylate monomer again by the crosslinked shell polymeric of emulsion polymerization prepared, thereby obtain latex interpenetrating network polymer emulsion II.In the process of preparation shell polymeric, owing to the swelling of monomer to nuclear polymer, IPN can take place in nuclear polymer and shell polymeric on certain degree, forms inierpeneirating network structure.Yet on the one hand, because crosslinking structure only is confined in each latex particle scope, promptly tens in the hundreds of nanometer range; On the other hand, in the film process of latex particle, because latex particle is crosslinked reticulated structure, in when, between particle and the particle coalescence taking place, the diffusion hindered of molecular chain causes the degree of IPN limited, thereby it is thermoplastic that last coating is still, and the raising of coating performance is undesirable.
In brief, the outstanding feature of acrylic acid series aqueous emulsion polymkeric substance of the present invention is, do not add multi-functional cross-linking monomer copolymerization when the preparation shell polymeric, but monomer that can self-crosslinking when being added in film forming.Therefore be half interpenetrating network structure through the core/shell structure latex particle that obtains after the two step letex polymerizations, promptly nuclear polymer is the network molecule of crosslinking structure, and shell is the linear molecule of non-crosslinking structure.The latex particle biggest advantage of this structure is in the process of emulsion film forming, the linear molecule of the network molecule of the crosslinking structure of nuclear polymer and shell non-crosslinked structure, and sufficient diffusion can take place between the molecular chain between particle and the particle, at first form a big semi-intercrossing network; Along with the volatilization of moisture, the active group generation crosslinking reaction on the shell polymeric forms heat cured full interpenetrating(polymer)networks then.These heat cured interpenetrating(polymer)networks have synergistic effect through whole coating in certain scope, the performance of coating is greatly improved.The acrylic ester emulsion of this method preparation has that stability in storage is good, coating pencil hardness height, has water tolerance, advantages such as print resistance, chemical resistance, resistance to deterioration and good mechanical property.Practical application of the present invention is with the acrylic acid series aqueous emulsion polymkeric substance that obtains, and adds therein to can be made into after coatings additive(s) mixes to form the coating that thermoset latex interpenetrating(polymer)networks are filmed under the room temperature, is applied in all respects such as woodwork coating.
To further introduce various components, reaction process and the reaction principle of acrylic acid series aqueous emulsion polymkeric substance of the present invention below.
(1) raw material:
At least the olefinic compounds (a) that has two unsaturated groups in the above-mentioned molecule can be two (methyl) acrylate or three (methyl) acrylate and the alkene that contains two unsaturated double-bonds at least, and object lesson comprises: (alkoxide) cyclohexane dimethanol diacrylate, (alkoxide) hexanediyl ester, (alkoxide) bisphenol a diacrylate, diethylene glycol diacrylate, butylene glycol diacrylate, (alkoxide) neopentylglycol diacrylate, polyethyleneglycol diacrylate, the tetraethylene-glycol diacrylate, the Triethylene glycol diacrylate, (alkoxide) Viscoat 295, three (2-hydroxyethyl) isocyanuric acid triacrylate, pentaerythritol triacrylate, (alkoxide) glycerol triacrylate and fourth (penta) diene.
It is monomeric 0.01%～20.0% that above-mentioned two (methyl) acrylate or three (methyl) acrylate or the amount of alkene that contains two unsaturated double-bonds at least preferably account for whole nuclear polymer, and more preferably 0.1%～10%.This be because, when two (methyl) acrylate or three (methyl) acrylate or the amount of alkene that contains two unsaturated double-bonds at least were lower than 0.01%, nuclear polymer network structure cross-linking density was little, coating performance is poor; When two (methyl) acrylate or three (methyl) acrylate amount were higher than 20%, nuclear polymer network structure cross-linking density was too big, and when emulsion film forming, molecular chain diffusion motion difficulty can not form inierpeneirating network structure, and film performance also can variation.
The olefinic compounds (b) that has a unsaturated group in the above-mentioned molecule can be (methyl) methyl acrylate, (methyl) butyl acrylate, (methyl) ethyl propenoate, (methyl) Hydroxyethyl acrylate, (methyl) glycidyl acrylate, vinylbenzene, vinyl acetate between to for plastic, vinyl cyanide, (methyl) acrylamide, propenal, vinylchlorid, vinylidene chloride, vinyl pyridine, vinylbenzenesulfonic acid sodium, preferred at least two kinds of monomeric mixtures wherein.
Have the optional diacetone-acryloamide(DAA) of unsaturated compound (c), (methyl) propenal, methyl vinyl ketone, (methyl) vinylformic acid acetoacetoxy groups ethyl ester, (methyl) vinylformic acid acetoacetyl amido ethyl ester that crosslinked group at room temperature can take place.
Above-mentioned (c) unsaturated compound amount that crosslinked group at room temperature can take place that has preferably accounts for 0.5%～80.0% of whole amount of monomer, and more preferably 1.0%～40.0%.Be lower than 0.5%, the network structure cross-linking density of formation is low, poor performance such as the pencil hardness of coating and mechanical property; When being higher than 80.0%, emulsion polymerization systems possibility less stable has more gel and occurs; Because cross-linking set is too many, and it is more crisp to cause filming, coating performance does not reach service requirements simultaneously.
The above-mentioned unsaturated compound (d) that has carboxyl or anhydride group can be (methyl) vinylformic acid, MALEIC ANHYDRIDE, (methyl) tetrahydrophthalic anhydride.
The above-mentioned unsaturated compound that has carboxyl or anhydride group preferably accounts for 0.1%～20.0% of whole amount of monomer.More preferably 0.2%～10%.Carboxyl can play the katalysis of crosslinking reaction in the process of emulsion film forming.Be lower than at 0.1% o'clock, katalysis is not obvious, and crosslinking reaction is slow; Be higher than at 20% o'clock, wetting ability strengthens the water tolerance deficiency because the introducing of too much carboxyl will cause filming.
Above-mentioned water-soluble and can that the compound (e) of chemically crosslinked at room temperature can take place is optional in the binary soluble in water and the hydrazides of polycarboxylic acid with (c), object lesson comprises that the hydrazides of water-soluble binary and polycarboxylic acid selects in carbonic acid two hydrazides, oxalic acid two hydrazides, succinic acid hydrazide ii, adipic dihydrazide, N (CH
2CH
2CONHNH
2)
3, (H
2NHNCOCH
2CH
2)
2NCH
2CH
2N (CH
2CH
2CONHNH
2)
2, the polynary hydrazides of polymkeric substance;
Wherein said compound (e) also comprises water-soluble binary and polyamine, comprises quadrol, diethylenetriamine, triethylene tetramine, tetraethylene pentamine, hexanediamine, butanediamine, polymkeric substance polyamine.
Above-mentioned water-soluble and the compound (e) of chemically crosslinked can at room temperature can take place with (c), preferred 0.3～2.0 with (c) monomeric equivalence ratio, more preferably 0.6～1.5.Equivalence ratio is lower than at 0.6 o'clock, and a large amount of (c) can not get crosslinked, and the cross-linking density of filming is low, and film performance is poor; Equivalence ratio is higher than at 1.5 o'clock, and the introducing of a large amount of hydroaropic substances in the coating descends the water tolerance of coating.
The polymerization technique that is used for preparing the aqueous emulsion polymkeric substance is well known in the art.In emulsion polymerization process of the present invention, can use conventional tensio-active agent, for example negatively charged ion or nonionic emulsifying agent, for example, alkyl, aryl, or alkaryl vitriolic alkali metal salts or ammonium salt, the alkali metal salts or ammonium salt of sulfonic acid or phosphoric acid; Alkylsulphonic acid; Sulfosuccinate; Lipid acid; The alcohol or the phenols of unsaturated tensio-active agent of olefinic and ethoxylation.In monomer weight, employed tensio-active agent is usually from 0.1～10%.
Can use conventional radical initiator, superoxide for example, as hydrogen peroxide, sodium peroxide, Potassium peroxide, tert-butyl peroxide, ammonium persulphate, persulfuric acid an alkali metal salt, Sodium peroxoborate, peroxophosphoric acid and salt thereof, potassium permanganate, and an alkali metal salt of ammonium peroxydisulfate and peroxy-disulfuric acid thereof.Can also use oxidation-reduction initiator, as using outside the above-mentioned oxygenant, described reductive agent is for example: sodium sulfoxylate formaldehyde, xitix, saccharosonic acid, vitriolated an alkali metal salt and ammonium salt are as S-WAT, sodium bisulfite, Sulfothiorine or sodium hyposulfate.Can use the redox reaction catalytic metal salt of iron, copper, manganese, silver, platinum, vanadium, nickel, cadmium, chromium or palladium.In total monomer weight, its common consumption is from 0.01～3.0%.
Can effectively use conventional buffer reagent when carrying out letex polymerization among the present invention, as yellow soda ash, sodium bicarbonate, sodium phosphate, sodium hydrogen phosphate, SODIUM PHOSPHATE, MONOBASIC, Sodium phosphate dibasic or their mixture.
Say that for example emulsion polymer I is preparation like this:
Emulsification in advance obtained pre-emulsification nuclear polymer monomer after polyfunctional monomer and simple function group monomer mixed, in the reactor that agitator, prolong and dropping funnel are housed, add the pre-emulsification nuclear polymer monomer of entry, emulsifying agent, buffer reagent and part, the high-speed stirring certain hour; Reduce stirring velocity then, be warmed up to 76 ℃, add the initiator initiated polymerization.Drip pre-emulsification nuclear polymer monomer with certain speed and carry out letex polymerization, obtain emulsion polymer I.
Say that for example emulsion polymer II is preparation like this:
To contain the shell mix monomer emulsification in advance that the crosslinking reaction group can take place.In the reactor that agitator, prolong and dropping funnel are housed, add a certain amount of above-mentioned emulsion polymkeric substance I, be warmed up to 76 ℃, add the initiator initiated polymerization.Drip pre-emulsification shell polymeric monomer with certain speed and carry out letex polymerization, obtain emulsion polymer II, cooling is with ammoniacal liquor pH=7～9 that neutralize, add a certain amount of linking agent (e), obtain to form under the room temperature thermoset latex interpenetrating network polymer emulsion.
When preparation emulsion polymer II, can on the basis of above-mentioned emulsion polymkeric substance I, directly carry out letex polymerization, also can carry out letex polymerization in other reactor again being moved into behind the emulsion polymer I.
If required, in order to improve acrylic acid series aqueous emulsion polymer properties of the present invention, as hardness, water tolerance, mechanical property etc., can randomly use the mineral filler of knowing and widely using as people, as lime carbonate, talcum powder, kaolin, pure aluminium silicate, diatomite, mica powder, silicon-dioxide, wollastonite, white carbon black, aluminium sesquioxide etc.
In order to obtain needed performance, organic and inorganic pigment and mill base that acrylic acid series aqueous emulsion polymkeric substance of the present invention can also add that people know and widely use are as titanium dioxide, zinc oxide, stibium trioxide, zinc sulfide white, lead-chrome yellow, iron oxide yellow, lead silicate, strontium calcium yellow, transparent yellow, diarylide yellow, Chinese sand yellow, lemon yellow, iron oxide red, red, chrome red, transparent red, phthalocyanine blue, ultramarine, carbon black, iron oxide black, graphite and versicolor mill base etc.
In order to obtain better practical effect, acrylic acid series aqueous emulsion polymkeric substance of the present invention at least also contains a kind of in the following additive, comprises metal inhibitor, mill base, wax slurry, wax powder, thickening material, defoamer, flow agent, sterilant, anti-settling agent, wetting agent and film coalescence aid.
Acrylic acid series aqueous emulsion fluoropolymer resin of the present invention can adopt modes such as roller coating, spraying, dip-coating, showering, scraper coating and brushing to be coated on substrate surface such as timber and obtain heat cured coating.
(2) chemical equation and reaction principle:
(1) crosslinking reaction
Above-mentioned reaction is to contain the acrylic ester emulsion of ketone carbonyl and the situation that has the compound generation crosslinking reaction of hydrazide group, this is reflected in the emulsion and can take place, at room temperature reach in the film forming process of acrylic ester emulsion, volatilization along with moisture and ammonia, under the katalysis of carboxyl, crosslinking reaction generation gradually forms heat cured emulsion coating.
(2) the thermoset latex interpenetrating(polymer)networks formation principle of filming:
By the crosslinked nuclear emulsion polymer of emulsion polymerization prepared, the reticulated structure molecule that it has is confined to belong to the micronetwork structure in each latex particle; On nuclear emulsion polymer basis, carry out the shell letex polymerization then, obtain the composite emulsion particle that shell has the core/shell structure of ketone carbonyl; In the process of emulsion film forming, along with the volatilization of moisture, latex particle is assembled and ordered arrangement, and latex particle is in contact with one another and is deformed into regular hexagon, along with the further volatilization of moisture, and under capillary force, latex particle generation coalescence.Because it is crosslinking structure that the composite emulsion particle of core/shell structure only has only the stratum nucleare polymkeric substance, the shell polymkeric substance is linear non-crosslinked structure, so latex particle inner nuclear layer crosslinking structure polymer molecular chain and shell polymer molecular chain, and between the particle polymer molecular chain spread easily, make whole coating form a big semi-intercrossing network; Meanwhile, along with the further volatilization of moisture and ammonia, coating system becomes acidity by alkalescence, and under the katalysis of carboxyl, ketone carbonyl and hydrazide group generation crosslinking reaction form the full interpenetrating(polymer)networks of huge thermoset and film.
(3) preparation of coating and performance test thereof:
Table 1 is to adopt the acrylic ester emulsion of the present invention's preparation as main component---resin, adds the example of resin additive and the prescription of Comparative Examples and forms table;
Table 2 is the The performance test results contrast tables that adopt coatings formulated of the present invention and several comparisons.
Table 1 example and comparative example prescription
| Form | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Emulsion | By 84 parts of embodiment 1 gained emulsions | By 84 parts of embodiment 2 gained emulsions | By 84 parts of embodiment 3 gained emulsions | By 84 parts of embodiment 4 gained emulsions | By 84 parts of embodiment 5 gained emulsions | By 84 parts of embodiment 6 gained emulsions | By 84 parts of Comparative Examples 1 gained emulsions | By 84 parts of Comparative Examples 2 gained emulsions | By 84 parts of Comparative Examples 3 gained emulsions |
| Defoamer | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part |
| Film coalescence aid | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part |
| Wetting agent | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part |
| Thickening material | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part |
| Flow agent | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part |
| Mould inhibitor | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part |
| H 2O | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part |
| Add up to | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts |
Add defoamer, film coalescence aid, ammoniacal liquor, thickening material, wetting agent, mould inhibitor, flow agent and defoamer under the high-speed stirring in emulsion successively, high speed dispersion 30min filters with 400 eye mesh screens, obtains thermoset latex interpenetrating(polymer)networks emulsion polymer.Get the tinplate of 120mm * 50mm * 0.2mm, earlier with 0
#The tin coating on tinplate surface is removed in sand papering, uses the acetone scrub again.Adopt dip-coating or brushing method to be uniformly coated on the tinplate dry at least one week under room temperature, about 25 microns of build the emulsion that obtains in the foregoing description and the comparative example.Coating hardness is according to national standard " coating hardness pencil assay method " GB/T 6739-1996 test, and scratching to film is standard; Sticking power is tested according to national standard " cross cut test of paint and varnish paint film " GB 9286-88; Water tolerance is tested according to national standard " paint film water tolerance assay method " GB/T 1733-93; Tensile strength is tested according to national standard " plastic tensile performance small sample experimental technique " GB/T 16421-1996; Stability in storage is tested according to national standard " the new test method of coating storage-stable " GB 6753.3-86.The film performance test result is shown in Table 2.
| Form | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Comparative example 1 | Comparative example 2 | Comparative example 3 |
| Emulsion | By 84 parts of embodiment 1 gained emulsions | By 84 parts of embodiment 2 gained emulsions | By 84 parts of embodiment 3 gained emulsions | By 84 parts of embodiment 4 gained emulsions | By 84 parts of embodiment 5 gained emulsions | By 84 parts of embodiment 6 gained emulsions | By 84 parts of Comparative Examples 1 gained emulsions | By 84 parts of Comparative Examples 2 gained emulsions | By 84 parts of Comparative Examples 3 gained emulsions |
| Defoamer | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part |
| Film coalescence aid | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part | 1.0 part |
| Wetting agent | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part | 0.5 part |
| Thickening material | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part | 0.7 part |
| Flow agent | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part | 0.6 part |
| Mould inhibitor | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part | 0.3 part |
| H 2O | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part | 12.2 part |
| Add up to | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts | 100 parts |
Table 2 example and comparative example The performance test results
(4) advantage of the present invention:
(1) the present invention films by forming the thermoset interpenetrating(polymer)networks, solve that the hardness that thermoplastic propene's acid esters emulsion coating exists is low, water tolerance not enough and high temperature such as after-tacks at problem, hardness, water tolerance, chemical-resistant, weathering resistance, resistance to deterioration and the mechanical property etc. of coating are greatly improved.
(2) the prepared self-crossing emulsion of the present invention belongs to single-component package, and labour intensity is low; Crosslinking reaction can at room temperature be carried out smoothly, and energy consumption is low.
(3) the present invention has low cost, high performance competitive edge, produces three-waste free discharge, compliance with environmental protection requirements.
(4) applied range can be used for the decoration of woodenware, metal, stone implement, plastics, glass, leather surface and anticorrosion, building inside and outside wall coating, fabric treating, the protection of cultural artifact surface etc.Be particularly useful for the application on woodenware surface and anticorrosion.
(5) can realize large-scale industrialization production, satisfy the demand of relevant industries.
Further set forth preparation method of the present invention below in conjunction with description of drawings and specific embodiments.
[description of drawings]:
Accompanying drawing 1 is preparation method's process flow sheet of the present invention.
Preparation technology's schema of accompanying drawing 2 aqueous woodware paints.
Embodiment 1:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.With methyl methacrylate 15.96g, butyl acrylate 24.05g, 1,6-hexanediyl ester 1.5g mixes, under high-speed stirring, be poured in the 20mL water that is dissolved with 0.263g sodium lauryl sulphate and 0.788g Triton X-100, pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer I, the about 40nm of latex particle median size.
Diacetone-acryloamide(DAA) 4.2g is dissolved in the mixing solutions of methyl methacrylate 34.18g, butyl acrylate 20.12g, vinylformic acid 1.5g, stir, be poured in the 20mL water that is dissolved with 0.263g sodium lauryl sulphate and 0.788g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned emulsion polymkeric substance I, add initiator ammonium persulfate 0.15g initiated polymerization, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer II, cooling, with the ammoniacal liquor pH=7.5 that neutralizes, add linking agent adipic dihydrazide 2.1g, obtain can forming under the room temperature thermoset latex interpenetrating network polymer emulsion.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively-10 ℃, 30 ℃, nuclear/shell ratio is 40/60.
Embodiment 2:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.Methyl methacrylate 23.56g, butyl acrylate 26.44g, tetraethylene-glycol diacrylate 2.1g are mixed, under high-speed stirring, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer I, the about 40nm of latex particle median size.
Diacetone-acryloamide(DAA) 6.5g is dissolved in the mixing solutions of methyl methacrylate 22.52g, butyl acrylate 19.48g, vinylformic acid 1.5g, stir, be poured in the 20mL water that is dissolved with 0.263g sodium lauryl sulphate and 0.778g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned emulsion polymkeric substance I, add initiator ammonium persulfate 0.15g, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer II, cooling, with the ammoniacal liquor pH=7.5 that neutralizes, add linking agent adipic dihydrazide 3.25g, obtain can forming under the room temperature thermoset latex interpenetrating network polymer emulsion.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively 0 ℃, 20 ℃, nuclear/shell ratio is 50/50.
Embodiment 3:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.Methyl methacrylate 28.27g, butyl acrylate 31.73g, Viscoat 295 1.6g are mixed, under high-speed stirring, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer I, the about 40nm of latex particle median size.
Diacetone-acryloamide(DAA) 8.7g is dissolved in the mixing solutions of methyl methacrylate 16.8g, butyl acrylate 13.0g, vinylformic acid 1.5g, stir, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned emulsion polymkeric substance I, add initiator ammonium persulfate 0.15g, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer II, cooling, with the ammoniacal liquor pH=7.5 that neutralizes, add linking agent adipic dihydrazide 4.35g, obtain can forming under the room temperature thermoset latex interpenetrating network polymer emulsion.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively 0 ℃, 30 ℃, nuclear/shell ratio is 60/40.
Embodiment 4:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.With methyl methacrylate 15.96g, butyl acrylate 24.05g, 1,6-hexanediyl ester 1.5g mixes, under high-speed stirring, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer I, the about 40nm of latex particle median size.
Methacrylic acid acetoacetoxy groups ethyl ester 4.2g is dissolved in the mixing solutions of methyl methacrylate 21.41g, butyl acrylate 11.4g, vinylformic acid 3.0g, stir, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned emulsion polymkeric substance I, add initiator ammonium persulfate 0.15g, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer II, cooling, with ammoniacal liquor pH=7.5～9.0 that neutralize, add linking agent hexanediamine 1.1g, obtain can forming under the room temperature thermoset latex interpenetrating network polymer emulsion.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively-10 ℃, 30 ℃, nuclear/shell ratio is 40/60.
Embodiment 5:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.Methyl methacrylate 23.56g, butyl acrylate 26.44g, tetraethylene-glycol diacrylate 2.1g are mixed, under high-speed stirring, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer I, the about 40nm of latex particle median size.
Methacrylic acid acetoacetoxy groups ethyl ester 6.5g is dissolved in the mixing solutions of methyl methacrylate 24.0g, butyl acrylate 16.51g, vinylformic acid 3.0g, stir, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned emulsion polymkeric substance I, add initiator ammonium persulfate 0.15g, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer II, cooling, with ammoniacal liquor pH=7.5～9.0 that neutralize, add linking agent hexanediamine 1.7g, obtain can forming under the room temperature thermoset latex interpenetrating network polymer emulsion.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively 0 ℃, 20 ℃, nuclear/shell ratio is 50/50.
Embodiment 6:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.Methyl methacrylate 28.27g, butyl acrylate 31.73g, Viscoat 295 1.6g are mixed, under high-speed stirring, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer I, the about 40nm of latex particle median size.
Methacrylic acid acetoacetoxy groups ethyl ester 8.7g is dissolved in the mixing solutions of methyl methacrylate 19.29g, butyl acrylate 9.01g, vinylformic acid 3.0g, stir, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned emulsion polymkeric substance I, add initiator ammonium persulfate 0.15g, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer II, cooling, with ammoniacal liquor pH=7.5～9.0 that neutralize, add linking agent hexanediamine 2.3g, obtain can forming under the room temperature thermoset latex interpenetrating network polymer emulsion.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively 0 ℃, 30 ℃, nuclear/shell ratio is 60/40.
Comparative Examples 1:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.Methyl methacrylate 15.96g, butyl acrylate 24.05g are mixed, and under high-speed stirring, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, and pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain the seeded emulsion polymerization thing, the about 40nm of latex particle median size.
The mixing solutions of methyl methacrylate 38.09g, butyl acrylate 20.41g, vinylformic acid 1.5g is stirred, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned seeded emulsion polymerization thing, add initiator ammonium persulfate 0.15g, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain the core/shell structure emulsion polymer, cooling with the ammoniacal liquor pH=7.5 that neutralizes, obtains non-interpenetrating network thermoplastic latex polymer emulsion.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively-10 ℃, 30 ℃, nuclear/shell ratio is 40/60.
Comparative Examples 2:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.Methyl methacrylate 23.56g, butyl acrylate 26.44g, tetraethylene-glycol diacrylate 2.1g are mixed, under high-speed stirring, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer I, the about 40nm of latex particle median size.
The mixing solutions of tetraethylene-glycol diacrylate 2.1g, methyl methacrylate 28.56g, butyl acrylate 19.94g, vinylformic acid 1.5g is stirred, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned emulsion polymkeric substance I, add initiator ammonium persulfate 0.15g, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer II, cooling with the ammoniacal liquor pH=7.5 that neutralizes, obtains can forming thermoplastic latex's interpenetrating network polymer emulsion under the room temperature.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively 0 ℃, 20 ℃, nuclear/shell ratio is 50/50.
Comparative Examples 3:
In three mouthfuls of reactors of the 500mL that mechanical stirrer, prolong and constant pressure funnel are housed, add anionic emulsifier sodium lauryl sulphate 0.225g, non-ionic emulsifier polyethylene glycol octyl phenyl ether 0.675g, buffer reagent sodium bicarbonate 0.15g and water 95mL, the heated and stirred dissolving.Methyl methacrylate 28.27g, butyl acrylate 31.73g, Viscoat 295 1.6g are mixed, under high-speed stirring, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, pre-emulsification 15min obtains pre-emulsified nuclear monomer.Shift out the pre-emulsification nuclear of part mix monomer and disperse 5min to above-mentioned three mouthfuls of reactor high speeds, reduce stirring velocity to 300r/min, be warmed up to 76 ℃, add initiator ammonium persulfate 0.15g initiated polymerization, it is blue that the question response system becomes, after monomers flow back disappears, drip remaining pre-emulsified nuclear monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer I, the about 40nm of latex particle median size.
Stir in the mixing solutions with Viscoat 295 2.0g, methyl methacrylate 23.39g, butyl acrylate 13.61g, vinylformic acid 3.0g, impouring is dissolved with in the 20mL water of 0.263g sodium lauryl sulphate and 0.778g Triton X-100, the pre-emulsification 15min of high speed dispersion obtains pre-emulsified shell monomer.In above-mentioned emulsion polymkeric substance I, add initiator ammonium persulfate 0.15g, drip pre-emulsified shell monomer, after monomer adds, continue reaction 1h and obtain emulsion polymer II, cooling with the ammoniacal liquor pH=7.5 that neutralizes, obtains can forming thermoplastic latex's interpenetrating network polymer emulsion under the room temperature.The about 100nm of latex particle median size, emulsion solid content are 42%, nuclear, shell polymeric T
gBe respectively 0 ℃, 30 ℃, nuclear/shell ratio is 60/40.
Can find out significantly that from above detailed introduction those skilled in the art are not difficult the present invention is made some change and modification.Yet all that does not exceed the change of essence spirit of the present invention and revises the scope of the invention all be considered to belong to exclusive appended claims and limited.
Claims (10)
1. one kind at room temperature can form the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed, and is applicable to the decoration of woodenware, metal, stone implement, plastics, glass surface and anticorrosion when drying, building inside and outside wall coating, and fabric treating and cultural artifact surface protection comprise:
(1) can form the emulsion polymer that the thermoset interpenetrating(polymer)networks are filmed under a kind of room temperature that obtains by following steps:
Obtain emulsion polymer I with having the olefinic compounds (a) of two unsaturated groups in the molecule at least and in a molecule, having under the effect of olefinic compounds (b) at emulsifying agent of a unsaturated group by letex polymerization;
With emulsion polymer I is seed, on the basis of this emulsion with have unsaturated compound (c) that the crosslinking reaction group at room temperature can take place, at least aly have the unsaturated compound (d) of carboxyl or anhydride group and in a molecule, have the core/shell structure emulsion polymer II that obtains can taking place under the room temperature crosslinking reaction under the effect of olefinic compounds (b) at emulsifying agent of a unsaturated group by letex polymerization;
(2) a kind of water-soluble and the compound (e) of chemically crosslinked can at room temperature can take place with (c);
(3) contain the mixture of a kind of additive or additive at least.
2. according to forming the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed under the described room temperature of claim 1, the alkene that wherein said compound (a) is characterized in that being selected from two (methyl) acrylate or three (methyl) acrylate or contains two unsaturated double-bonds at least comprises cyclohexane dimethanol diacrylate, the alkoxide cyclohexane dimethanol diacrylate, hexanediyl ester, the alkoxide hexanediyl ester, bisphenol a diacrylate, the alkoxide bisphenol a diacrylate, diethylene glycol diacrylate, butylene glycol diacrylate, neopentylglycol diacrylate, the alkoxide neopentylglycol diacrylate, polyethyleneglycol diacrylate, the tetraethylene-glycol diacrylate, the Triethylene glycol diacrylate, Viscoat 295, the alkoxide Viscoat 295, three (2-hydroxyethyl) isocyanuric acid triacrylate, pentaerythritol triacrylate, the glycerol triacrylate, alkoxide glycerol triacrylate, divinyl and pentadiene one or more composition wherein.
3. according to forming the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed under the described room temperature of claim 1, wherein said compound (b) is characterized in that being selected from (methyl) methyl acrylate, (methyl) butyl acrylate, (methyl) ethyl propenoate, (methyl) Hydroxyethyl acrylate, (methyl) glycidyl acrylate, (methyl) Isooctyl acrylate monomer, vinylbenzene, vinyl acetate, vinyl cyanide, (methyl) acrylamide, propenal, vinylchlorid, vinylidene chloride, vinyl pyridine and vinylbenzenesulfonic acid sodium one or more composition wherein.
4. according to can forming the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed under the described room temperature of claim 1, wherein said compound (c) is characterized in that being selected from (methyl) propenal, methyl vinyl ketone, (methyl) vinylformic acid acetoacetoxy groups ethyl ester, diacetone-acryloamide(DAA) and (methyl) vinylformic acid acetoacetyl amido ethyl ester one or more composition wherein.
5. according to can forming the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed under the described room temperature of claim 1, wherein said compound (d) is characterized in that being selected from (methyl) vinylformic acid, MALEIC ANHYDRIDE and (methyl) tetrahydrophthalic anhydride one or more composition wherein.
6. according to forming the thermoset interpenetrating(polymer)networks aqueous composition of filming under the described room temperature of claim 1, wherein said compound (e) is characterized in that being selected from the hydrazides of water-soluble binary and polycarboxylic acid and binary and polyamine one or more composition wherein, it is characterized in that the hydrazides of water-soluble binary and polycarboxylic acid selects in carbonic acid two hydrazides, oxalic acid two hydrazides, succinic acid hydrazide ii, adipic dihydrazide, (H
2NHNCOCH
2CH
2)
2NCH
2CH
2N (CH
2CH
2CONHNH
2)
2, N (CH
2CH
2CONHNH
2)
3And the polynary hydrazides of polymkeric substance; Water-soluble binary and polyamine is characterized in that water-soluble binary and polyamine select in quadrol, butanediamine, hexanediamine, diethylenetriamine, triethylene tetramine, tetraethylene pentamine and polymkeric substance polyamine.
7. according to forming the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed under the described room temperature of claim 1, wherein said emulsion polymer II has core/shell structure, its nuclear is that emulsion polymer I is the polymkeric substance with cross-linked structure, and its shell polymeric is the non-crosslinked structure with linear molecule.
8. according to forming the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed under the described room temperature of claim 1, the shell of wherein said emulsion polymer II is to have the polymkeric substance that the crosslinking reaction group at room temperature can take place.
9. according to forming the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed under the described room temperature of claim 1, wherein can also contain mineral filler, mineral dye, pigment dyestuff, organic mill base or inorganic mill base.
10. according to forming the aqueous composition that the thermoset interpenetrating(polymer)networks are filmed under the described room temperature of claim 1, wherein also contain at least a following additive that is selected from: metal inhibitor, mill base, wax slurry, wax powder, thickening material, defoamer, flow agent, sterilant, anti-settling agent, wetting agent and film coalescence aid.
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| CN104497216A (en) * | 2014-12-31 | 2015-04-08 | 广东佳景科技有限公司 | Self-crosslinking acrylic emulsion and preparation method thereof |
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| CN109651558B (en) * | 2018-11-06 | 2021-05-18 | 广州集泰化工股份有限公司 | Self-crosslinking core-shell structure water-based acrylic acid dispersion and preparation method and application thereof |
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| CN114539867A (en) * | 2022-03-21 | 2022-05-27 | 江苏卫星新材料股份有限公司 | Laser alumite coating and preparation method thereof |
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